My single favorite thing about CoffeeScript seems tiny, but makes a huge difference: the chainable existential operator. It's gotten to the point where I keep

My single favorite thing about CoffeeScript seems tiny, but makes a huge difference: the chainable existential operator. It's gotten to the point where I keep trying to use it in Ruby and getting annoyed that it's not there. Rails at least adds Object#try, but it's not nearly as nice.